JP3824227B2 - Lock with cap - Google Patents

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Publication number
JP3824227B2
JP3824227B2 JP2003039274A JP2003039274A JP3824227B2 JP 3824227 B2 JP3824227 B2 JP 3824227B2 JP 2003039274 A JP2003039274 A JP 2003039274A JP 2003039274 A JP2003039274 A JP 2003039274A JP 3824227 B2 JP3824227 B2 JP 3824227B2
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Japan
Prior art keywords
cap
lock
catch member
protrusion
lock body
Prior art date
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JP2003039274A
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JP2004250877A (en
Inventor
修 小山
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Takigen Manufacturing Co Ltd
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Takigen Manufacturing Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、鍵孔を隠蔽するキャップが装備された錠に関するものである。
【0002】
【従来の技術】
例えば交通信号機の制御盤が収納されたボックスの扉に使用される錠では、浮遊塵埃や雨水の侵入によって錠機構が作動不能や作動不良を来さないようにするため、錠本体の前面部にキャップを装備し、鍵孔を隠蔽している(例えば、特許文献1参照)。
【0003】
従来のキャップ付き錠では、キャップは錠本体の前面に直角な枢軸を中心に回転可能に取付けられており、キャップ裏面に形成した浅い円形凹部が錠本体の前面に形成した低い円形***部に嵌まるように、キャップがバネ部材によって錠本体に引き付けられている。そのため、錠本体の鍵孔はキャップによって被覆された状態に保持される。
【0004】
信号機の管理者が制御盤の点検修理や設定変更のために扉を開けたいときには、キャップ周面に形成された指掛け用窪み部に指を掛けて、キャップに対し側面方向から回転力を与える。この回転力によってキャップの周縁部が前記円形***部の湾曲側面部に押し付けられるため、キャップは該湾曲側面部に誘導されて錠本体の前面方向に自動的に移動し、該円形***部の前面に乗り上げたキャップは、鍵孔を全面開放し、鍵の操作に支障とならない位置まで回転させられる。
【0005】
しかしながら、このようにキャップは指掛け用窪み部に指を掛けて側面方向に押せば、何時でも誰にでも簡単に開放回転し得る状態にセットされているため、信号待ちの通行人等が遊び半分でキャップを弄くって開けてしまい、その後、信号が変わったときキャップを閉めないままに現場を立ち去ってしまうことがある。
キャップが開放状態に放置されてしまうと、鍵孔は塵埃や雨水の侵入に対して無防備となってしまう。
【0006】
【特許文献1】
実公平6―43394号公報
【0007】
【発明が解決しようとする課題】
したがって本発明の目的は、キャップが遊び半分の弄くりによって容易に無断開放されることがないキャップ付き錠を提供することである。
【0008】
【課題を解決するための手段】
本発明の主たる特徴は、錠本体の側面部の固定翼部とキャップの側面部の可動翼部を錠本体の前面と平行な枢軸によって連結し、固定翼部とは反対側の錠本体の側面部に拘束突出部を形成し、可動翼部とは反対側のキャップの側面部に被拘束突出部を形成し、拘束突出部または被拘束突出部に横移動可能にキャッチ部材を設け、被拘束突出部または拘束突出部にフック部材を突設し、キャップが錠本体の前面部に閉じ合わされたとき、フック部材をキャッチ部材に係合させ、バネ部材の押圧付勢によってフック部材とキャッチ部材の係合を維持し、鍵の使用時には、バネ部材に抗してキャッチ部材を横移動させてフック部材とキャッチ部材の係合を解除するようにしたキャップ付き錠において、
キャップの被拘束突出部または錠本体の拘束突出部に形成したガイド溝にキャッチ部材を収容し、フック部材とキャッチ部材が係合したとき、キャッチ部材の操作端面が被拘束突出部または拘束突出部の側面と同一面位置にあるようにキャッチ部材の長さを設定したことである。
【0009】
【発明の作用】
請求項1の発明のキャップ付き錠では、鍵を使用するためにキャップを開放するときには、キャップの被拘束突出部に指を掛けてキャップを引き上げ、図1に示したように前記枢軸を中心にキャップを跳ね上げ回転させる。
キャップの開放回転によって錠本体の鍵孔が現れるので、鍵孔に所定の鍵を挿入して施錠軸を錠本体に対して回転させ、施錠軸に連動装備したロック部材を解錠位置に駆動する。これによってボックス本体に対する扉の拘束が解除され、扉は制御盤などの内蔵機器の点検修理や設定変更のために開放させられる。
【0010】
所要の作業終了後、扉は再び閉鎖され、鍵を逆に回して前記ロック部材で扉をボックス本体に錠止した後、鍵が施錠軸の鍵孔から抜き取られ、キャップが前記枢軸を中心に引き下げ回されて、錠本体の前面部に閉じ合わされる。
この閉合の最終段階でキャップの被拘束突出部のフック部材が錠本体の拘束突出部のキャッチ部材に係合し、両者の係合がバネ部材の押圧付勢によって保持される。
【0011】
このように錠本体の前面と平行な枢軸を中心にキャップを閉じ合わせ回転させたとき、錠本体の拘束突出部またはキャップの被拘束突出部に横移動可能に設けたキャッチ部材に対して、キャップの被拘束突出部または錠本体の拘束突出部に突設したフック部材を係合させるため、通行人等の遊び半分の弄くりによってキャップは簡単に無断開放されることがない。バネ部材に抗してキャッチ部材を積極的に横移動させてフック部材とキャッチ部材の係合を解除し、キャップを跳ね上げ回転させなければならないので、悪戯による開放操作が抑制され、他物や人体との接触による偶発的な開放からも防護される。
【0012】
【発明の実施の形態】
図示の実施例では、錠本体1はラッチユニット2の前面板部3に対して直角に固着されており、錠本体1の中央孔4に回転可能に嵌合された施錠軸5には、鍵孔6が軸方向に形成されている。ラッチユニット2は扉(図示していない)の裏側に格納される。施錠軸5の内端部には適当なカム機構を介してラッチ型のロック部材7が、直線的に進退するように連動装備されている。ロック部材7の先端部は、ボックス本体(図示していない)の受金部に係脱し、扉を閉鎖位置に錠止する。
【0013】
キャッチ部材8は錠本体1の板状の拘束突出部9に横断方向に形成されたガイド溝10に収容されている。拘束突出部9にはガイド溝10に交差する方向に縦孔11が形成されている。キャッチ部材8には、縦孔11に整列する位置にロック孔12が形成されている。キャッチ部材8を押圧付勢するバネ部材13は圧縮コイルバネによって構成され、ガイド溝10の奥端部とキャッチ部材8の基端部の間に圧縮して挿入されている。
【0014】
キャップ14の板状の被拘束突出部14の裏面にはフック部材16が直角に突出形成されている。キャップ14が錠本体1の前面部に閉じ合わすとき、フック部材16の先端部は錠本体1の拘束突出部9の前記縦孔11に挿入される。縦孔11内を進行して来たフック部材16は、先端カム面16aがロック孔11の一側の孔縁部を押すことによって、キャッチ部材8を一旦引き込み方向に横移動させる。キャップ14が錠本体1の前面部に当接した閉合終端では、キャッチ部材8はバネ部材13の押圧付勢によって突出方向に横移動し、ロック孔11の他側の孔縁部背面に深く係合し、キャップ14を錠本体1に対して開放不能に拘束する。
【0015】
錠本体1には拘束突出部9と直径上で対向する位置に2個の固定翼部17が形成され、固定翼部17には錠本体1の前面部と平行に軸孔18が形成されている。キャップ14には被拘束突出部15と直径上で対向する位置に可動翼部19が形成され、可動翼部19にはキャップ14の前面部と平行に軸孔20が形成されている。枢軸21は軸孔18と軸孔20に嵌挿されている。キャップ付き錠は、通常、枢軸21が施錠軸5の上位側に水平に配置されるように扉に取り付けられる。
枢軸21と軸孔18,20の間には、キャップ14を跳ね上げ位置に保持するために弾性ブッシュを挿入し、両者間の摩擦力を高めることもできる。
【0016】
図6に示したようにキャッチ部材8の操作端面は常時、ガイド溝10内に入り込んでおり、この突き押し操作にはピン部材22が使用される。
【0017】
【発明の効果】
以上のように本発明のキャップ付き錠では、フック部材とキャッチ部材が係合したとき、キャッチ部材の操作端面がキャップの被拘束突出部または錠本体の拘束突出部の側面と同一の面位置にあるため、キャッチ部材の存在が察知され難くなり、それだけ悪戯半分でキャップを開けようとする動機付けが減ることになる。仮にキャッチ部材の存在に気が付いても、キャッチ部材の操作端面はガイド溝内に位置しているため、これを突き押すためのピン部材がなければ、フック部材との係合が解かれる位置までキャッチ部材を押し動かすことは不可能であり、無断開放に対する抵抗性が増強される。
【図面の簡単な説明】
【図1】 本発明の一実施例に係るキャップ付き錠のキャップ開放状態の正面図である。
【図2】 図1のキャップ付き錠のキャップ開放状態の左側面図である。
【図3】 図1のキャップ付き錠のキャップ開放状態の底面図である。
【図4】 図1のキャップ付き錠のキャップ閉鎖状態の正面図である。
【図5】 図4のA−A線断面図である。
【符号の説明】
1 錠本体
2 ラッチユニット
3 ラッチユニットの前面板部
4 錠本体の中央孔
5 施錠軸
6 鍵孔
7 ロック部材
8 キャッチ部材
9 拘束突出部
10 ガイド溝
11 縦孔
12 ロック孔
13 バネ部材
14 キャップ
15 被拘束突出部
16 フック部材
17 固定翼部
18 軸孔
19 可動翼部
20 軸孔
21 枢軸
22 ピン部材
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lock equipped with a cap for concealing a keyhole.
[0002]
[Prior art]
For example, in the lock used for the door of the box containing the control panel of the traffic signal, in order to prevent the lock mechanism from becoming inoperable or malfunctioning due to the ingress of floating dust or rain water, A cap is provided to conceal the keyhole (see, for example, Patent Document 1).
[0003]
In conventional locks with caps, the cap is mounted so as to be rotatable about a pivot perpendicular to the front surface of the lock body, and a shallow circular recess formed on the back surface of the cap fits into a low circular ridge formed on the front surface of the lock body. The cap is attracted to the lock body by a spring member so as to be round. Therefore, the keyhole of the lock body is held in a state covered with the cap.
[0004]
When the manager of the traffic light wants to open the door for inspection and repair of the control panel or to change the setting, he puts his finger on the finger hanging recess formed on the peripheral surface of the cap and gives a rotational force to the cap from the side. Since the peripheral edge portion of the cap is pressed against the curved side surface portion of the circular raised portion by this rotational force, the cap is guided to the curved side surface portion and automatically moves toward the front surface of the lock body. The cap that has ridden on is fully rotated to a position that does not interfere with the operation of the key, with the keyhole fully open.
[0005]
However, the cap is set in such a way that anyone can easily open and rotate at any time by placing a finger on the finger-hanging depression and pushing it sideways, so that passers-by who are waiting for a signal are half-played. If you change the signal, you may leave the scene without closing the cap.
If the cap is left in an open state, the keyhole is open to dust and rainwater intrusion.
[0006]
[Patent Document 1]
Japanese Utility Model Publication No. 6-43394 [0007]
[Problems to be solved by the invention]
Accordingly, it is an object of the present invention to provide a capped lock in which the cap is not easily opened without permission by playful play.
[0008]
[Means for Solving the Problems]
The main feature of the present invention is that the fixed wing portion of the side surface portion of the lock body and the movable wing portion of the side surface portion of the cap are connected by a pivot parallel to the front surface of the lock body, and the side surface of the lock body opposite to the fixed wing portion. A constraining protrusion is formed on the side, a constrained protrusion is formed on the side surface of the cap opposite to the movable wing, and a catch member is provided on the constraining protrusion or the constraining protrusion so as to be laterally movable. When the hook member protrudes from the protruding portion or the restraining protruding portion and the cap is closed to the front surface portion of the lock body, the hook member is engaged with the catch member, and the hook member and the catch member are pressed by the biasing force of the spring member. In the lock with a cap that maintains the engagement and when the key is used, the catch member is moved laterally against the spring member to release the engagement between the hook member and the catch member.
When the catch member is accommodated in the guide groove formed in the restraining protrusion of the cap or the restraining protrusion of the lock body, and the hook member and the catch member are engaged, the operation end surface of the catch member is the restraining protrusion or the restraining protrusion. That is, the length of the catch member is set so as to be in the same plane position as the side surface.
[0009]
[Effects of the Invention]
In the lock with a cap according to the first aspect of the present invention, when the cap is opened to use the key, the cap is lifted by placing a finger on the restrained projecting portion of the cap, and as shown in FIG. Raise the cap and rotate it.
Since the keyhole of the lock body appears by opening the cap, a predetermined key is inserted into the keyhole, the lock shaft is rotated with respect to the lock body, and the lock member interlocked with the lock shaft is driven to the unlock position. . As a result, the restriction of the door to the box body is released, and the door is opened for inspection and repair of internal devices such as the control panel and setting change.
[0010]
After the required work is completed, the door is closed again, the key is turned in the reverse direction, the door is locked to the box body with the lock member, the key is removed from the key hole of the locking shaft, and the cap is centered on the pivot. It is pulled down and closed to the front part of the lock body.
In the final stage of the closing, the hook member of the restrained projecting portion of the cap is engaged with the catch member of the restraining projecting portion of the lock body, and the engagement between both is held by the pressing bias of the spring member.
[0011]
Thus, when the cap is closed and rotated around the pivot axis parallel to the front surface of the lock body, the cap is placed against the catch member provided so as to be laterally movable at the restraining protrusion of the lock body or the restrained protrusion of the cap. Since the hook member projecting from the restrained projecting portion or the restraining projecting portion of the lock body is engaged, the cap is not easily opened without permission by the playfulness of a passerby or the like. The catch member must be moved laterally against the spring member to disengage the hook member from the catch member, and the cap must be flipped up and rotated. Protects against accidental opening due to contact with the human body.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
In the illustrated embodiment, the lock body 1 is fixed to the front plate portion 3 of the latch unit 2 at a right angle, and the lock shaft 5 rotatably fitted in the central hole 4 of the lock body 1 has a key. A hole 6 is formed in the axial direction. The latch unit 2 is stored behind the door (not shown). A latch-type lock member 7 is interlocked and installed at the inner end of the locking shaft 5 via a suitable cam mechanism so as to advance and retract linearly. The distal end portion of the lock member 7 is engaged with and disengaged from a receiving portion of the box body (not shown), and locks the door in the closed position.
[0013]
The catch member 8 is accommodated in a guide groove 10 formed in a transverse direction on the plate-like restraining protrusion 9 of the lock body 1. A vertical hole 11 is formed in the restraining protrusion 9 in a direction intersecting the guide groove 10. The catch member 8 is formed with a lock hole 12 at a position aligned with the vertical hole 11. The spring member 13 that presses and biases the catch member 8 is constituted by a compression coil spring, and is compressed and inserted between the back end portion of the guide groove 10 and the base end portion of the catch member 8 .
[0014]
A hook member 16 is formed at a right angle on the back surface of the plate-like restrained protruding portion 14 of the cap 14. When the cap 14 is closed to the front surface of the lock body 1, the tip of the hook member 16 is inserted into the vertical hole 11 of the restraining protrusion 9 of the lock body 1. The hook member 16 that has advanced in the vertical hole 11 temporarily moves the catch member 8 in the retracting direction once when the tip cam surface 16a pushes the hole edge on one side of the lock hole 11. At the closing end where the cap 14 is in contact with the front surface of the lock body 1, the catch member 8 moves laterally in the protruding direction by the pressing force of the spring member 13, and is deeply engaged with the back surface of the hole edge on the other side of the lock hole 11. The cap 14 is restrained to the lock body 1 so that it cannot be opened.
[0015]
Two fixed wings 17 are formed in the lock body 1 at positions opposite to the restraining protrusions 9 on the diameter, and a shaft hole 18 is formed in the fixed wing 17 in parallel with the front surface of the lock body 1. Yes. A movable wing 19 is formed in the cap 14 at a position opposed to the constrained protrusion 15 on the diameter, and a shaft hole 20 is formed in the movable wing 19 in parallel with the front surface of the cap 14. The pivot 21 is fitted into the shaft hole 18 and the shaft hole 20. The lock with a cap is usually attached to the door so that the pivot 21 is horizontally disposed on the upper side of the locking shaft 5.
An elastic bushing can be inserted between the pivot shaft 21 and the shaft holes 18 and 20 in order to hold the cap 14 in the flip-up position, thereby increasing the frictional force between them.
[0016]
As shown in FIG. 6, the operation end face of the catch member 8 always enters the guide groove 10, and the pin member 22 is used for this pushing operation.
[0017]
【The invention's effect】
As described above, in the lock with a cap according to the present invention, when the hook member and the catch member are engaged, the operation end surface of the catch member is positioned at the same surface position as the side surface of the cap restraint protrusion or the lock protrusion of the lock body. some reason, difficult to perceive the presence of the catch member, so that the motivation to try to open the cap is reduced by half much mischief. Even if the presence of the catch member is noticed, since the operation end surface of the catch member is located in the guide groove, if there is no pin member for pushing the catch member, the catch member can be disengaged from the hook member. It is impossible to push the member, increasing resistance to unauthorized opening.
[Brief description of the drawings]
FIG. 1 is a front view showing a cap-opened state of a lock with a cap according to an embodiment of the present invention.
FIG. 2 is a left side view of the lock with a cap of FIG. 1 in a cap open state.
FIG. 3 is a bottom view of the cap-equipped lock of FIG. 1 in a cap open state.
4 is a front view of the lock with a cap of FIG. 1 in a closed state of the cap. FIG.
FIG. 5 is a cross-sectional view taken along line AA in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Lock main body 2 Latch unit 3 Front plate part of a latch unit 4 Center hole of lock main body 5 Locking shaft 6 Key hole 7 Lock member 8 Catch member 9 Restriction protrusion part 10 Guide groove 11 Vertical hole 12 Lock hole 13 Spring member 14 Cap 15 Constrained protrusion 16 Hook member 17 Fixed wing 18 Shaft hole 19 Movable wing 20 Shaft hole 21 Pivot 22 Pin member

Claims (1)

錠本体の側面部の固定翼部とキャップの側面部の可動翼部を錠本体の前面と平行な枢軸によって連結し、固定翼部とは反対側の錠本体の側面部に拘束突出部を形成し、可動翼部とは反対側のキャップの側面部に被拘束突出部を形成し、拘束突出部または被拘束突出部に横移動可能にキャッチ部材を設け、被拘束突出部または拘束突出部にフック部材を突設し、キャップが錠本体の前面部に閉じ合わされたとき、フック部材をキャッチ部材に係合させ、バネ部材の押圧付勢によってフック部材とキャッチ部材の係合を維持し、鍵の使用時には、バネ部材に抗してキャッチ部材を横移動させてフック部材とキャッチ部材の係合を解除するようにしたキャップ付き錠において、
キャップの被拘束突出部または錠本体の拘束突出部に形成したガイド溝にキャッチ部材を収容し、フック部材とキャッチ部材が係合したとき、キャッチ部材の操作端面が被拘束突出部または拘束突出部の側面と同一面位置にあるようにキャッチ部材の長さを設定したことを特徴とするキャップ付き錠。
The fixed wing on the side of the lock body and the movable wing on the side of the cap are connected by a pivot that is parallel to the front of the lock body, and a constraining protrusion is formed on the side of the lock body opposite to the fixed wing. The constrained protrusion is formed on the side surface of the cap opposite to the movable wing, and a catch member is provided on the constrained protrusion or the constrained protrusion. When the hook member protrudes and the cap is closed to the front portion of the lock body, the hook member is engaged with the catch member, and the engagement of the hook member and the catch member is maintained by the pressing bias of the spring member, At the time of use, in a lock with a cap that releases the engagement between the hook member and the catch member by laterally moving the catch member against the spring member ,
When the catch member is accommodated in the guide groove formed in the restraining protrusion of the cap or the restraining protrusion of the lock body, and the hook member and the catch member are engaged, the operation end surface of the catch member is the restraining protrusion or the restraining protrusion. A lock with a cap, wherein the length of the catch member is set so as to be in the same plane position as the side surface of the cap.
JP2003039274A 2003-02-18 2003-02-18 Lock with cap Expired - Fee Related JP3824227B2 (en)

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Publication number Priority date Publication date Assignee Title
JP6318222B1 (en) * 2016-11-11 2018-04-25 タキゲン製造株式会社 Latch lock device
CN108678555B (en) * 2018-05-04 2023-11-10 上海外高桥造船有限公司 Lock set
JP7239194B2 (en) * 2020-10-23 2023-03-14 株式会社栃木屋 lock

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